TNF receptor-associated factor 5 gene confers genetic predisposition to acute anterior uveitis and pediatric uveitis.

TNF Receptor-Associated Factor 5 (TRAF5) has been shown to be associated with autoimmune disease. The current study sought to investigate the potential association of TRAF5 with acute anterior uveitis (AAU) and pediatric uveitis in Han Chinese. Three TRAF5 SNPs were analyzed in 450 AAU patients with or without ankylosing spondylitis (AS), 458 pediatric uveitis patients, and 1,601 healthy controls by using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) or TaqMan SNP Genotyping Assay. Numerous variables were evaluated, including age, sex distribution, and clinical and laboratory observations. Two SNPs (rs6540679, rs12569232) of TRAF5 were associated with pediatric uveitis, and rs12569232 also showed a relation with the presence of microvascular leakage. No significant associations were found when patients were subdivided according to their rheumatoid factor (RF) or anti-nuclear antibody (ANA) status or whether they had juvenile idiopathic arthritis (JIA). Rs12569232 predisposed to AAU and its subgroups (with ankylosing spondylitis (AS) or HLA-B27 positive). No association was found between rs10863888 and either pediatric uveitis or AAU. This study revealed that TRAF5 is involved in the development of AAU and pediatric uveitis. Further stratified analysis according to the clinical and laboratory observations suggested that rs12569232/TRAF5 may play a role in the development of retinal vasculitis.

Citation

Qin Xiang, Lu Chen, Jing Fang, Shengping Hou, Lin Wei, Lin Bai, Yunjia Liu, Yan Zhou, Aize Kijlstra, Peizeng Yang. TNF receptor-associated factor 5 gene confers genetic predisposition to acute anterior uveitis and pediatric uveitis. Arthritis research & therapy. 2013;15(5):R113

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PMID: 24020968

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